IBM Data Sheet Enterprise COBOL for z/OS 6.3
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Enterprise COBOL for z/OS 6.3 Data Sheet IBM
September 2021 This edition applies to Version 6 Release 3 of IBM® Enterprise COBOL for z/OS® (program number 5655-EC6) and to all subsequent releases and modifications until otherwise indicated in new editions. Make sure that you are using the correct edition for the level of the product. You can view or download softcopy publications free of charge in the Enterprise COBOL for z/OS library. Because Enterprise COBOL for z/OS supports the continuous delivery (CD) model and publications are updated to document the features delivered under the CD model, it is a good idea to check for updates once every two months. © Copyright International Business Machines Corporation 1991, 2021. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
Contents
Chapter 1. Summary of changes.............................................................................1
Chapter 2. Enable your COBOL applications to exploit the latest z/Architecture®..... 5
Chapter 3. Highlights............................................................................................. 7
Chapter 4. Other Enterprise COBOL for z/OS features........................................... 11
Chapter 5. System requirements.......................................................................... 15
Chapter 6. Upgrade to Enterprise COBOL for z/OS V6.3......................................... 17
Chapter 7. For more information.......................................................................... 19
Chapter 8. Notices............................................................................................... 21
Trademarks................................................................................................................................................ 21
iiiiv
Chapter 1. Summary of changes
This section lists the key changes that have been made to this document since Enterprise COBOL for z/OS
Version 6 Release 3 was released in September 2019.
September 2021
Runtime APAR PH37101(V2R3/V2R4): An enhancement is made to assist COBOL programs running in
AMODE 31 to interact with Java™ programs in AMODE 64. (COBOL programs in AMODE 31 interacting with
Java programs in AMODE 64)
Note: IBM SDK, Java Technology Edition V8.0.6.35 (JVM) is needed for this enhancement.
PH40311: A new DATA directive is added and is supported when LP(64) is in effect. (DATA)
Runtime APAR PH40348 (V2R3/V2R4): Dynamic call is supported in a mixed AMODE31/AMODE64
environment. (Dynamic call between AMODE 31 and AMODE 64 programs)
PH40356: LAXREDEF|STRICTREDEF option is deprecated but is tolerated for compatibility, and it is
replaced by the LAX|STRICT option. (NUMCHECK)
July 2021
• Runtime APAR PH34885 (V2R3/V2R4): The UUID4 randomness and UUID4 intrinsic function requires
significant CPU usage. (UUID4)
May 2021
• PH35643: New suboptions DEC | HEX are added to the SOURCE option to control whether the
generated sequence numbers for the listing of the source are in decimal or hexadecimal format.
(SOURCE)
• PH37328: The new INVDATA compiler option replaces the deprecated ZONEDATA compiler option and
provides users fine-grained control over how the compiler generates code to handle USAGE DISPLAY
and USAGE PACKED-DECIMAL data items that contain invalid data. (INVDATA)
• PH37331: Adds support for diagnosing miscoded options or options coded as OPTION() instead of
OPTION= in the COBOL customization macro. (Changing the defaults for compiler options)
March 2021
• PH34804: A new TUNE option is added that allows you to specify the architecture for which the
executable program will be optimized. (TUNE)
• PH35652: The OFFSET option behavior is changed. If there are multiple blocks of instructions for a
single line of COBOL code, multiple entries will be generated for those instructions in the OFFSET table.
(OFFSET)
January 2021
• PH33122: New suboptions LAXREDEF | NOLAXREDEF are added to the RULES option to inform users
of redefined items with mismatched lengths. (RULES)
November 2020
• PH30975: New when-phrase and generic-suppression-phrase are added to the JSON GENERATE
statement so that you can conditionally suppress data items during JSON GENERATE. (JSON GENERATE
statement)
© Copyright IBM Corp. 1991, 2021 1Note: COBOL Runtime LE APAR PH31172 must also be applied on all systems where programs that
make use of this new feature are linked or run.
• PH31047: New date and time intrinsic functions are introduced as part of the 2002 and 2014 COBOL
Standard:
– COMBINED-DATETIME (COMBINED-DATETIME)
– FORMATTED-CURRENT-DATE (FORMATTED-CURRENT-DATE)
– FORMATTED-DATE (FORMATTED-DATE)
– FORMATTED-DATETIME (FORMATTED-DATETIME)
– FORMATTED-TIME (FORMATTED-TIME)
– INTEGER-OF-FORMATTED-DATE (INTEGER-OF-FORMATTED-DATE)
– SECONDS-FROM-FORMATTED-TIME (SECONDS-FROM-FORMATTED-TIME)
– SECONDS-PAST-MIDNIGHT (SECONDS-PAST-MIDNIGHT)
– TEST-DATE-YYYYMMDD (TEST-DATE-YYYYMMDD)
– TEST-DAY-YYYYDDD (TEST-DAY-YYYYDDD)
– TEST-FORMATTED-DATETIME (TEST-FORMATTED-DATETIME)
Note: COBOL Runtime LE APAR PH31133 must also be applied on all systems where programs that
make use of these new date and time intrinsic functions are linked or run.
• Runtime APARs PH29755(V2R3/V2R4) and PH30338(V2R3/V2R4 AMODE 64): New support is added
for LLA/VLF managed programs where DWARF diagnostic information is included. (TEST)
September 2020
• PH29542: New suboptions TRUNCBIN | NOTRUNCBIN are added to the NUMCHECK(BIN) option to
control whether the compiler will generate the checking code for binary data items. (NUMCHECK)
• PTF UI71591 (no APAR number): New functionality is added to NUMCHECK to check alphanumeric
senders whose contents are being moved to a numeric receiver. For alphanumeric senders whose
contents are being moved to a numeric receiver, the compiler treats the sender as a numeric integer so
NUMCHECK generates an implicit numeric class test for each alphanumeric sender. (NUMCHECK)
July 2020
• PH26789: A new CONVERTING phrase is added to the JSON GENERATE and JSON PARSE statements
so that you can generate and parse JSON boolean values. (JSON GENERATE statement and JSON
PARSE statement)
• Note: COBOL Runtime LE APAR PH26698 must also be applied on all systems where programs that
make use of this new feature are linked or run.
• PH27536: New suboptions LAXREDEF | STRICTREDEF are added to the NUMCHECK(ZON) option to
control whether the compiler will check and issue warning messages for redefined items. (NUMCHECK)
May 2020
• PH22581: New suboptions LAX | STRICT are added to the INITCHECK option to control whether the
compiler will issue warning messages for data items unless they are initialized on at least one, or on all,
logical paths to a statement. (INITCHECK)
January 2020
• PH20724: The use of passing a file-name to a subprogram with the USING phrase of the CALL
statement is restored. (CALL statement)
• PH20997: A new UUID4 intrinsic function is introduced, which returns a 36-character alphanumeric
string that is a version 4 universally unique identifier. (UUID4)
2 Enterprise COBOL for z/OS: Enterprise COBOL for z/OS, V6.3 Data SheetNote: COBOL Runtime LE PTF UI66560(V2R2)/UI66555(V2R3)/UI66557(V2R4) must also be applied
on all systems where programs that make use of this new feature are linked or run.
November 2019
• PH18638: You can compile programs with the LP(64) option when the program contains UTF-8 data
items. (UTF-8 literals and Defining UTF-8 data items)
• PH18640: You can compile programs with the LP(64) option when the program contains dynamic-
length elementary items. (Dynamic-length items)
• PH18641: A new NAME is OMITTED phrase is added to the JSON GENERATE statement to allow
generation of an anonymous JSON object, whose top-level parent name is not generated. (JSON
GENERATE statement)
Chapter 1. Summary of changes 34 Enterprise COBOL for z/OS: Enterprise COBOL for z/OS, V6.3 Data Sheet
Chapter 2. Enable your COBOL applications to exploit
the latest z/Architecture®
Enterprise COBOL is a premier enterprise class COBOL compiler for IBM z/OS. It delivers innovation for
modernizing business-critical applications, programming features to increase programmer productivity,
and bolsters the overall benefits of transactional and data systems such as IBM CICS®, IMS, and Db2®.
Enterprise COBOL for z/OS, V6.3 delivers advanced compiler support to allow you to fully benefit from
hardware advancements. The Enterprise COBOL for z/OS compiler is capable of unleashing the full power
of IBM processors that are delivered in the various models of IBM Z hardware. Developers only need
to focus on the logic of the applications and let the compiler determine the best way to transform and
optimize the code generation for the IBM Z hardware on which the application will run.
With its enhanced capabilities, simplified programming, and increased programmer productivity features,
you can use Enterprise COBOL for z/OS to modernize existing business-critical applications. You can
deliver new enhancements quicker, with less cost and with lower risks. You can add modern graphical
user interfaces to business-critical COBOL applications or extend them to work with web, cloud, or
mobile infrastructures. With the investment in new compiler technology and the continued delivery of new
features, Enterprise COBOL for z/OS, V6.3 reaffirms IBM's commitment to COBOL on z/OS. You gain the
benefit of new investments that are combined with more than 50 years of IBM experience in compiler
innovation and development.
© Copyright IBM Corp. 1991, 2021 56 Enterprise COBOL for z/OS: Enterprise COBOL for z/OS, V6.3 Data Sheet
Chapter 3. Highlights
Enterprise COBOL for z/OS, V6.3 delivers the following new and improved features:
• Compiler and runtime support for the new IBM z15™ hardware and IBM z/OS V2.4 operating system so
that applications can take advantage of the latest IBM Z hardware instructions and operating system
features and capabilities.
• Improved efficiency in processing UTF-8 data by supporting the UTF-8 data type. This enhancement
improves efficiency for native language support.
• Support for creating AMODE 64 (64-bit) batch applications. The AMODE 64 (64-bit) support in this
compiler enables users to process large data tables that require up to 2 GB of addressing space.
• From the COBOL 2002 and 2014 programming standards, the addition of Dynamic Length elementary
items.
• From the COBOL 2002 and 2014 programming standards, the support for the FUNCTION keyword
specifier in the REPOSITORY section to make the use of the keyword FUNCTION optional.
Compiler and runtime support for the new IBM z15 hardware and IBM z/OS V2.4
operating system
Enterprise COBOL for z/OS, V6.3 adds support for building and running COBOL applications for the z15
hardware and z/OS V2.4 operating system
With the new ARCH(13) compiler option, the compiler generates application code that exploits
instructions available with the latest z15 server. Specifying ARCH(13) instructs the compiler to include
exploitation of the Vector Packed Decimal Enhancement Facility, which translates into improvements in
COBOL computational performance. You can recompile with ARCH(13) to target z15 without any source
changes to take advantage of this new facility.
Improved processing of UTF-8 data with the introduction of the UTF-8 data type
• Enterprise COBOL for z/OS, V6.3 provides increased efficiency and support for Unicode data encoded
in UTF-8 format. You can now store UTF-8 data in data items that natively understand UTF-8. Correct
UTF-8 padding and truncation are performed on these data items during MOVE and other operations.
• The native support for UTF-8 data items is provided by a new USAGE clause of UTF-8, plus a picture
symbol 'U', which together define a new class, category, and USAGE of data in Enterprise COBOL.
• UTF-8 data items can be declared as having either a fixed character length where a UTF-8 character
corresponds to one Unicode code point or a fixed byte length, with the latter being provided for ease of
interoperability with Db2 CHAR columns in Unicode tables.
• USAGE UTF-8 data items can be optionally declared to have a dynamic length so that the actual length
of the UTF-8 data is carried around automatically with the item, and memory for the item is acquired
dynamically.
• COBOL statements that directly support UTF-8 include ALLOCATE, EVALUATE, FREE, IF, INITIALIZE,
MOVE, MERGE, and SORT.
• UTF-8 data items are supported in conditions such as those found in IF, WHEN, and SEARCH
statements.
• UTF-8 data can be a new class and category of argument for intrinsic functions. UTF-8 data can also
be a return type for intrinsic functions. Supported functions in this release are BIT-OF, BYTE-LENGTH,
DISPLAY-OF, HEX-OF, LENGTH, LOWER-CASE, NATIONAL-OF, TRIM, ULENGTH, UPPER-CASE, UPOS,
USUBSTR, USUPPLEMENTARY, and UVALID.
The introduction of native support for UTF-8 data items means that you can now work directly with
UTF-8 data without having to waste CPU resources converting from UTF-8 to UTF-16 and back again.
This results in more maintainable programs and is especially useful when you modernize your COBOL
© Copyright IBM Corp. 1991, 2021 7applications to work with web services or to interoperate with Db2 databases if you choose to store data
in UTF-8 format. In cases where it is more efficient to perform processing in UTF-16, the conversion is
handled automatically when necessary.
AMODE 64 support
With this release, Enterprise COBOL for z/OS, V6.3 provides support for creating AMODE 64 COBOL batch
applications. Application developers do not need to do any redesign or source code changes on their
applications to obtain AMODE 64 support.
AMODE 64 COBOL applications can now access data items greater than the existing AMODE 31 data size
limits without changes to the program logic.
AMODE 64 COBOL application features are listed as follows:
• A new LP(32|64) compiler option indicates whether an AMODE 31 (31-bit) or AMODE 64 (64-bit)
program should be generated with related language features enabled.
• Files that are created by AMODE 31 programs can be accessed (read, write, and rewrite) by AMODE 64
programs and vice-versa. Data files are compatible between AMODE 64 and AMODE 31 programs.
• AMODE 64 COBOL programs can call other AMODE 64 Language Environment® (LE) conforming
programs by using either static or DLL calls.
• AMODE 64 COBOL programs cannot be called by non-LE conforming programs. Assembler programs
that use LOAD and then branch to the entry point of the subprogram cannot work. Instead, the LE macro
CEEFETCH should be used to fetch and call AMODE 64 COBOL programs.
• The linkage convention is XPLINK and the XPLINK(ON) runtime option is required for AMODE 64 COBOL
programs.
• All AMODE 64 COBOL programs are reentrant, that is, LP(64) implies RENT.
• Enterprise COBOL V6.3 with PTF for APAR PH18638 installed adds support for compiling programs with
the LP(64) option when the program contains UTF-8 data items.
• Enterprise COBOL V6.3 with PTF for APAR PH18640 installed adds support for compiling programs with
the LP(64) option when the program contains dynamic-length elementary items.
• PH40311: A new DATA directive is added, and is supported when LP(64) is in effect.
• Runtime APAR PH40348 (V2R3/V2R4): Dynamic call is supported in a mixed AMODE31/AMODE64
environment.
• The following features are not available:
– No support for building AMODE 64 applications to run under CICS or IMS.
– No support for building AMODE 64 applications that contain OO COBOL, XML, or JSON statements or
use the THREAD compiler option.
COBOL 2002 and 2014 standards
The support of programming language standards provides you with additional functionality so that you
can modernize your applications. It also allows for maximum portability of your source code among a
variety of compiler implementations.
The following COBOL 2002 and 2014 features are provided by the V6.3 compiler:
• Dynamic-length elementary items (COBOL 2014 language feature)
– Addition of the DYNAMIC LENGTH clause provides the ability to describe a data item of varying size.
• FUNCTION keyword optional for intrinsic functions (COBOL 2002 language feature)
– The REPOSITORY paragraph FUNCTION specifier INTRINSIC allows for the declaration of intrinsic
function names that may be used without specifying the word FUNCTION.
8 Enterprise COBOL for z/OS: Enterprise COBOL for z/OS, V6.3 Data Sheet• PH31047: New date and time intrinsic functions are introduced that support encoding and decoding of
date and time information to and from formats specified in ISO 8601, and that support encoding and
decoding date and time information to and from integers that are suitable for arithmetic.
The following intrinsic functions are added as part of the 2002 COBOL Standard:
– TEST-DATE-YYYYMMDD
– TEST-DAY-YYYYDDD
The following intrinsic functions are added as part of the 2014 COBOL Standard:
– COMBINED-DATETIME
– FORMATTED-CURRENT-DATE
– FORMATTED-DATE
– FORMATTED-DATETIME
– FORMATTED-TIME
– INTEGER-OF-FORMATTED-DATE
– SECONDS-FROM-FORMATTED-TIME
– SECONDS-PAST-MIDNIGHT
– TEST-FORMATTED-DATETIME
Note: COBOL Runtime LE APAR PH31133 must also be applied on all systems where programs that
make use of these new date and time intrinsic functions are linked or run.
Chapter 3. Highlights 910 Enterprise COBOL for z/OS: Enterprise COBOL for z/OS, V6.3 Data Sheet
Chapter 4. Other Enterprise COBOL for z/OS features
Enhanced support for z/OS UNIX
With the new COPYLOC compiler option, you can specify a mix of z/OS UNIX directories and partitioned
data sets to search for COBOL copybooks within a single compile job, regardless of how the compiler is
invoked.
In addition, if you want to compile a COBOL application containing embedded SQL statements using the
Db2 coprocessor and invoke the compiler from z/OS UNIX using the cob2 command, you can specify the
DBRMLIB location.
Those enhancements for z/OS UNIX make it more efficient and flexible to develop and build COBOL
applications leveraging DevOps tools such as IBM Developer for z/OS (IDz) or IBM Dependency Based
Build (DBB).
Additional enhancements
• Default ARCH changed to ARCH(8) (IBM System z10® BC) and removed support for ARCH(7) (IBM
System z9® BC).
• Expanded signature information area for future option byte definitions.
• Compiler listing enhancements for AMODE 64 and COBOL terminology.
• Predefined compilation variables available with IGY-prefixes to keep all variables in the IGY-xxxx
namespace.
• The following enhancements are introduced in Enterprise COBOL V6.3 via the service stream:
– PH18641: A new NAME is OMITTED phrase is added to the JSON GENERATE statement to allow
generation of an anonymous JSON object, whose top-level parent name is not generated.
– PH20724: The use of passing a file-name to a subprogram with the USING phrase of the CALL
statement is restored.
– PH20997: A new UUID4 intrinsic function is introduced, which returns a 36-character alphanumeric
string that is a version 4 universally unique identifier.
Note: COBOL Runtime LE PTF UI66560(V2R2)/UI66555(V2R3)/UI66557(V2R4) must also be
applied on all systems where programs that make use of this new feature are linked or run.
– PH22581: New suboptions LAX | STRICT are added to the INITCHECK option to control whether the
compiler will issue warning messages for data items unless they are initialized on at least one, or on
all, logical paths to a statement.
– PH26789: A new CONVERTING phrase is added to the JSON GENERATE and JSON PARSE statements
so that you can generate and parse JSON boolean values.
Note: COBOL Runtime LE APAR PH26698 must also be applied on all systems where programs that
make use of this new feature are linked or run.
– PH27536: New suboptions LAXREDEF | STRICTREDEF are added to the NUMCHECK(ZON) option to
control whether the compiler will check and issue warning messages for redefined items.
– PH29542: New suboptions TRUNCBIN | NOTRUNCBIN are added to the NUMCHECK(BIN) option to
control whether the compiler will generate the checking code for binary data items.
– PTF UI71591 (no APAR number): New functionality is added to NUMCHECK to check alphanumeric
senders whose contents are being moved to a numeric receiver. For alphanumeric senders whose
contents are being moved to a numeric receiver, the compiler treats the sender as a numeric integer
so NUMCHECK generates an implicit numeric class test for each alphanumeric sender.
– PH30975: New when-phrase and generic-suppression-phrase are added to the JSON GENERATE
statement so that you can conditionally suppress data items during JSON GENERATE.
© Copyright IBM Corp. 1991, 2021 11Note: COBOL Runtime LE APAR PH31172 must also be applied on all systems where programs that
make use of this new feature are linked or run.
– Runtime APARs PH29755(V2R3/V2R4) and PH30338(V2R3/V2R4 AMODE 64): New support is added
for LLA/VLF managed programs where DWARF diagnostic information is included.
– PH33122: New suboptions LAXREDEF | NOLAXREDEF are added to the RULES option to inform users
of redefined items with mismatched lengths.
– PH34804: A new TUNE option is added that allows you to specify the architecture for which the
executable program will be optimized.
– PH35643: New suboptions DEC | HEX are added to the SOURCE option to control whether the
generated sequence numbers for the listing of the source are in decimal or hexadecimal format.
– PH35652: The OFFSET option behavior is changed. If there are multiple blocks of instructions for a
single line of COBOL code, multiple entries will be generated for those instructions in the OFFSET
table.
– PH37328: A new INVDATA compiler option replaces the deprecated ZONEDATA compiler option
and provides users fine-grained control over how the compiler generates code to handle USAGE
DISPLAY and USAGE PACKED-DECIMAL data items that contain invalid data.
– PH37331: Adds support for diagnosing miscoded options or options coded as OPTION() instead of
OPTION= in the COBOL customization macro.
– The UUID4 randomness and UUID4 intrinsic function requires significant CPU usage.
Note: COBOL Runtime LE PTF UI74556(V2R3)/UI74561(V2R4) must also be applied on all systems
where programs that make use of this new feature are linked or run.
– In Enterprise COBOL V6.2 with PTF Runtime APAR PH34885 (V2R3/V2R4) installed, the UUID4
randomness and UUID4 intrinsic function requires significant CPU usage.
– Runtime APAR PH37101(V2R3/V2R4): An enhancement is made to assist COBOL programs running
in AMODE 31 to interact with Java programs in AMODE 64.
Note: IBM SDK, Java Technology Edition V8.0.6.35 (JVM) is needed for this enhancement.
– PH40356: The LAXREDEF|STRICTREDEF option is deprecated but is tolerated for compatibility, and
it is replaced by the LAX|STRICT option.
Ease into migration
Enterprise COBOL for z/OS gives you a migration path from OS/VS COBOL, VS COBOL II, IBM COBOL for
MVS™ & VM, and IBM COBOL for OS/390® & VM. With the exception of OS/VS COBOL programs, VS COBOL
II NORES programs, and any programs that were previously compiled with the CMPR2 compiler option,
your current programs can continue to compile and run without modification, while you selectively update
existing applications to take advantage of new functions.
You can convert OS/VS COBOL programs and programs compiled with the CMPR2 compiler option into
1985 COBOL Standard programs, which can then be compiled using Enterprise COBOL for z/OS. Use the
COBOL conversion tool (CCCA) included in Debug Tool for this purpose. Debug Tool also includes a load
module analyzer that can help identify which of your programs were compiled with the OS/VS compiler.
You can use the COBOL Migration Assistant to navigate through the compiler migration process from
Enterprise COBOL V4 or earlier versions to Enterprise COBOL V5 or V6.
Support for modern development tools
IBM Developer for z/OS (formerly IBM Developer for z Systems® and Rational® Developer for z Systems)
supports Enterprise COBOL and helps improve the productivity of COBOL developers. IBM Developer for
z/OS provides an interactive, workstation-based environment to help you create, maintain, and reuse
applications. IBM Developer for z/OS includes support for traditional development using COBOL, but
also has the ability to generate web services interfaces from COBOL constructs to ease creation of web
services from existing COBOL applications.
12 Enterprise COBOL for z/OS: Enterprise COBOL for z/OS, V6.3 Data SheetIBM Developer for z/OS provides a workstation interface to IBM Debug Tool, and is also integrated with
IBM File Manager for z/OS and IBM Fault Analyzer for z/OS. File Manager integration enables you to
access Keyed Sequence Data Set (KSDS) files from the IBM Developer for z/OS workbench, and gives you
the ability to browse and update data sets. By integrating with Fault Analyzer, IBM Developer for z/OS
enables you to browse Fault Analyzer ABEND reports on CICS, IMS, batch, Java, WebSphere®, and other
run times.
COBOL across platforms
Enterprise COBOL for z/OS is part of a family of compatible compilers, application development tools, and
maintenance tools.
Chapter 4. Other Enterprise COBOL for z/OS features 1314 Enterprise COBOL for z/OS: Enterprise COBOL for z/OS, V6.3 Data Sheet
Chapter 5. System requirements
The following table presents the system requirements for Enterprise COBOL for z/OS V6.3.
Table 1. System requirements for Enterprise COBOL for z/OS V6.3
Software Hardware
Enterprise COBOL for z/OS, V6.3 runs under the Enterprise COBOL for z/OS, V6.3 runs on the
control of, or along with, the currently supported following IBM Z servers:
releases of the following programs and their
• IBM z15 or IBM z15 T02
subsequent releases or their equivalents. For
more information about the following programs • IBM z14® or IBM z14 ZR1
listed that require program temporary fixes (PTFs), • IBM z13® or IBM z13s®
refer to the Program Directory and the preventive
• zEnterprise® EC12 or zEnterprise BC12
service planning (PSP) bucket.
• zEnterprise 196 or zEnterprise 114
• z/OS V2.2 (5650-ZOS), or later is required.
Note: To run 64-bit applications, z/OS V2.3
(5650-ZOS), or later, is required.
• For installation on z/OS, z/OS SMP/E is required.
• For customization during or after installation,
z/OS High Level Assembler is required.
• Enterprise COBOL XML PARSE statements
in programs, which are compiled with the
XMLPARSE(XMLSS) compiler option, require z/OS
XML System Services V2.2 (5650-ZOS), or later.
Optional licensed programs
Depending on the functions used, you might require other software products such as CICS, Db2, or IMS.
For a list of compatible software, see the Software Product Compatibility Reports (SPCR) site.
From the SPCR web page, in the In-depth reports section, under Detailed system requirements, click
Create a report. Search for Enterprise COBOL for z/OS, choose Version 6.3 and then click Submit.
© Copyright IBM Corp. 1991, 2021 1516 Enterprise COBOL for z/OS: Enterprise COBOL for z/OS, V6.3 Data Sheet
Chapter 6. Upgrade to Enterprise COBOL for z/OS
V6.3
Upgrade to the latest Enterprise COBOL compiler and get more out of your IBM mainframe investment
and stay ahead of competitors on the technology curve.
© Copyright IBM Corp. 1991, 2021 1718 Enterprise COBOL for z/OS: Enterprise COBOL for z/OS, V6.3 Data Sheet
Chapter 7. For more information
To learn more about IBM Enterprise COBOL for z/OS V6.3, contact your IBM representative or IBM
Business Partner, or visit the Enterprise COBOL for z/OS product page.
© Copyright IBM Corp. 1991, 2021 1920 Enterprise COBOL for z/OS: Enterprise COBOL for z/OS, V6.3 Data Sheet
Chapter 8. Notices
References in this document to IBM products, programs, or services do not imply that IBM intends to
make these available in all countries in which IBM operates. Any reference to an IBM program product
in this publication is not intended to state or imply that only IBM's program product may be used. Any
functionally equivalent program may be used instead.
Trademarks
IBM, the IBM logo, and ibm.com® are trademarks or registered trademarks of International Business
Machines Corp., registered in many jurisdictions worldwide. Other product and service names might be
trademarks of IBM or other companies. A current list of IBM trademarks is available on the Web at
“Copyright and trademark information” at www.ibm.com/legal/copytrade.shtml.
© Copyright IBM Corp. 1991, 2021 2122 Enterprise COBOL for z/OS: Enterprise COBOL for z/OS, V6.3 Data Sheet
IBM® Product Number: 5655-EC6
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